After earning his Doctor of Medicine degree at Indiana University School of Medicine, Dr. Lillo completed his medical internship at Ball Memorial Hospital in Muncie, Indiana. His residency in physical medicine and rehabilitation was at the University of Texas Southwestern Medical Center in Dallas, Texas. He is board-certified and has served as an examiner for the American Board of Physical Medicine and Rehabilitation.
Dr. Lillo has received electrodiagnostic laboratory accreditation from the American Association of Neuromuscular and Electrodiagnostic Medicine (AANEM). He earned Exemplary Status, which is the highest level of accreditation in electrodiagnostic medicine from the AANEM. His electrodiagnostic laboratory is one of very few in the state of Indiana that have this level of accreditation. Board-certified by the American Board of Electrodiagnostic Medicine and the American Board of Physical Medicine and Rehabilitation, he has been practicing at Central Indiana Orthopedics since 1993.